Personal smoke filter



FIG. 1 is a rear, left, isometric view of the personal smoke filter;

FIG. 2 is a top, plan view thereof;

FIG. 3 is a bottom, plan view thereof;

FIG. 4 is a left, plan view thereof;

FIG. 5 is a right, plan view thereof;

FIG. 6 is a rear, plan view thereof; and,

FIG. 7 is a front, plan view thereof.

In the drawings, the claimed design is defined by the shaded surfaces; broken lines with two small segments between a long segment immediately adjacent shaded surfaces represent boundaries of the claim and form no part thereof; all other broken lines depict unclaimed environmental subject matter and form no part of the claim. 

CLAIM The ornamental design for a personal smoke filter, as shown and described. 